2019
softcover
1
9767019926103
| not well-formed | |||||||||
| no hyphens provided | |||||||||
| The UCC prefix is malformed (should be 978 or 979). | |||||||||
| The check-digit is correct. | |||||||||
2019
softcover
2
9767019926110
| not well-formed | |||||||||
| no hyphens provided | |||||||||
| The UCC prefix is malformed (should be 978 or 979). | |||||||||
| The check-digit is correct. | |||||||||
2019
softcover
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